Danburite and Papagoite Physical Properties

Danburite

Papagoite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.3 Solubility

Not Available

1.5 Durability

Not Available

1.7 Specific Gravity

2.97-3.033.25

1 7.18

1.9 Fracture

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

Brittle, Metallic

1.11 Cleavage

{001} Poor

Imperfect in one direction

1.13 Mohs Hardness

75-5.5

2 10

1.15 Chemical Composition

CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

Danburite and Papagoite Chemical Formula

While comparing Danburite and Papagoite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Danburite and Papagoite chemical formula.

Chemical formula of Danburite- CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Papagoite- CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

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Danburite and Papagoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Danburite and Papagoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Danburite and Papagoite Optical Properties during the identification of gemstone. Specific gravity of Danburite is 3.25 whereas that of Papagoite is 3.25.